Compaq Evo n410c - Notebook PC Maintenance And Service Manual page 43

Flowchart 2.1 - Initial Troubleshooting
Begin
troubleshooting.
Is there
power?
Y
Beeps,
LEDs, or error
messages?
Y
Is there video?
(no boot)
Y
Is the OS
loading?
Y
Is there
sound?
Y
Maintenance and Service Guide
N
Go to
Flowchart 2.2,
No Power, Part 1.
N
Check
LED board,
speaker
connections.
N
Go to
Flowchart 2.6,
No Video, Part 1.
N
Go to
Flowchart 2.9,
No OS Loading.
N
Go to
Flowchart 2.15,
No Audio.
All drives
working?
Y
Keyboard/
pointing device
working?
Y
Connecting
to network
or modem?
Y
End
Troubleshooting
N
Go to
Flowchart 2.17,
Nonfunctioning
Device.
N Go to
Flowchart 2.18,
Nonfunctioning
Keyboard,
or Flowchart 2.19,
Nonfunctioning
Pointing Device.
N
Go to
Flowchart 2.20,
No Network or
Modem
Connection.
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